JIT

gh-134584: JIT: Eliminate redundant refcount ops for X_INT #4628

Job	Run time
Interpreter (Debug)	10m 29s
Free-Threaded (Debug) (21)	14m 47s
JIT with tail calling interpreter (21)	4m 9s
JIT without optimizations (Debug) (21)	12m 19s
aarch64-apple-darwin/clang (Release)	13m 40s
aarch64-pc-windows-msvc/msvc (Release)	18m 11s
x86_64-pc-windows-msvc/msvc (Debug)	24m 55s
aarch64-pc-windows-msvc/msvc (Debug)	23m 43s
x86_64-unknown-linux-gnu/gcc (Release)	8m 10s
i686-pc-windows-msvc/msvc (Release)	13m 53s
x86_64-apple-darwin/clang (Debug)	28m 30s
i686-pc-windows-msvc/msvc (Debug)	24m 54s
x86_64-apple-darwin/clang (Release)	23m 36s
x86_64-pc-windows-msvc/msvc (Release)	13m 58s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 32s
x86_64-unknown-linux-gnu/gcc (Debug)	12m 12s
aarch64-apple-darwin/clang (Debug)	12m 28s
aarch64-unknown-linux-gnu/gcc (Release)	7m 13s
	4h 35m 39s

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